Internal Medicine, Gastroenterology in KNOXVILLE, TN
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William Frederick Ergen, M.D., is a physician specializing in internal medicine and gastroenterology based in Knoxville, TN.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
WILLIAM FREDERICK ERGEN specializes in Internal Medicine, Gastroenterology.
WILLIAM FREDERICK ERGEN practices in KNOXVILLE, TN.
WILLIAM FREDERICK ERGEN's NPI number is 1710249529.